|
Nitrogen
|
Variety
|
Water
|
Grain yield (t ha− 1)
|
Head milled rice yield (t ha− 1)
|
2AP content in brown rice (ug kg− 1 DW)
|
|---|
|
N1
|
Nongxiang 18
|
W1
|
5.98
|
3.47
|
113.92
|
|
W2
|
5.88
|
3.61
|
145.43
|
|
W3
|
5.56
|
3.44
|
101.83
|
|
Yungengyou14
|
W1
|
5.54
|
3.35
|
101.76
|
|
W2
|
5.51
|
3.42
|
112.92
|
|
W3
|
6.28
|
3.88
|
126.73
|
|
Basmati
|
W1
|
5.91
|
3.66
|
115.21
|
|
W2
|
5.81
|
3.53
|
127.69
|
|
W3
|
6.04
|
3.71
|
102.26
|
|
Mean
|
5.83 b
|
3.56 b
|
116.42 c
|
|
N2
|
Nongxiang 18
|
W1
|
5.20
|
3.66
|
118.77
|
|
W2
|
5.67
|
4.03
|
105.57
|
|
W3
|
5.98
|
4.22
|
139.31
|
|
Yungengyou14
|
W1
|
5.83
|
4.14
|
155.92
|
|
W2
|
6.53
|
4.64
|
124.86
|
|
W3
|
6.77
|
4.81
|
148.69
|
|
Basmati
|
W1
|
5.45
|
3.80
|
113.07
|
|
W2
|
5.55
|
3.83
|
128.36
|
|
W3
|
5.98
|
4.17
|
108.85
|
|
Mean
|
5.88 b
|
4.15 a
|
127.04 b
|
|
N3
|
Nongxiang 18
|
W1
|
6.07
|
3.91
|
156.09
|
|
W2
|
7.12
|
4.57
|
142.47
|
|
W3
|
6.74
|
4.46
|
179.48
|
|
Yungengyou14
|
W1
|
6.07
|
3.86
|
148.13
|
|
W2
|
7.42
|
4.85
|
149.13
|
|
W3
|
6.45
|
4.17
|
199.99
|
|
Basmati
|
W1
|
5.48
|
3.42
|
128.51
|
|
W2
|
6.02
|
3.74
|
134.47
|
|
W3
|
6.18
|
4.10
|
150.43
|
|
Mean
|
6.39 a
|
4.12 a
|
154.30 a
|
|
ANOVA
| |
Variety (V)
|
b
|
b
|
b
|
|
Water (W)
|
b
|
b
|
b
|
|
Nitrogen (N)
|
a
|
b
|
b
|
|
V × W
|
b
|
b
|
b
|
|
V × N
|
b
|
b
|
b
|
|
W × N
|
ns
|
ns
|
b
|
|
V × W × N
|
ns
|
ns
|
b
|
- Within a column means followed by different letters are significantly different according to the LSD (0.05). N1, 0 kg N ha−1; N2, 30 kg N ha−1; N3, 60 kg N ha−1, W1,Well-watered; W2, soil water potential was −15 ± 5 kPa; W3, soil water potential was −25 ± 5 kPa; ns, not significant at the 0.05 probability level; aand b, significant at the 0.05 and 0.01 probability levels, respectively
